Lock.



L'OLSONL LOCKJ APPLICATION FILED OCT. 28, 1915.

Patented May 28,1918.

2 SHEETSSHEET I.

INVENTOR.

l V T N [1193155 A TTORNL y L. OLSON.

. LOCK.

APPLICATION min OCT. 28, I9I6.

Patented May 28, 1918'.

2 SHEETS-SHEET 2.

p6 INILNTOR.

A TTORNEY rant LABS OLSON, OF'WINNIPLEG, MANITOBA, CANADA.

LOCK. I :1

Specification of Letters Patent.

Application filed October 28, 1916. Serial No. 128,234.

To all whom it may concern:

Be it known that I, LARs OLSON, a citizen of Canada, residing atWinnipeg, in the Province of Manitoba and Dominion of Canada, haveinvented certain new and useful Improvements in Locks, of which thefollowing is a specification.

This invention relates to improvements in looks and more particularly topermutation padlocks. The lock comprises a plurality of rotary tumblersarranged between a screw cap and base upon a pintle which is integralwith the base and adapted for releasable engagement with the screw cap.An indicator rod pivotally secured to the base extends to the screw capand may serve to indicate the combination which, when known, will permitthe withdrawal of the shackle to open the lock. In the accompanyingdrawings which form a part of this specification and in which likereference characters denote corresponding parts Figure 1 is aperspective view of the lock locked and showing its application.

Fig. 2 is a longitudinal sectional view through the lock with theshackle withdrawn.

Figs. 3 to 12 inclusive are details of the various parts of the lock.

The reference numeral 1 denotes one end of the lock which may be termedthe base and is formed with one convex face 2 and with the integralpintle 3 which is circular in cross section and threaded at 4 at one endand formed with the deep longitudinal groove 5 and with the shallowlongitudinal groove 6 diametrically opposite the first named groove. Acap 7 formed with a threaded central opening and with a groove 9 openingthereinto is adapted for engagement with the threaded end of the pintle3 to which it is ordinarily further secured by pins which lie in thepin-cavities 10. A wire band 11 encircles the cap 7 and is formed withan eye 12 adapted to retain the pintle 13 of an angular indicator rod 14which is pivoted upon a pin 15 embedded in the center of the saidbase 1. A plurality of crown-shaped tumbler members 16 having toothedperipheries 17 are provided with the crown rings 18 having teeth 19about their outer peripheries which latter teeth are adapted to liebetween the teeth 17 of said tumblers to retain said crown rings inplace. The crown rings, further, are formed with a plurality of circularperforations 20 adapted to receive the pegs 21 of the cap rings 22 whichlie directly upon said crown rings and are each formed with a centralopening 23 into which a groove 24E opens. A. complete rotary tumbler, ofwhich there are several, comprises one crown shaped member 16', crownring 18 and cap ring 22 and the several tumblers are separated from eachother by the fixed washers Patented May as, rare.

25 which are formed with central openings 26 into which grooves 27 openand into which central openings lugs 28 project, said lugs being adaptedto engage with the grooved portion 6 of the spindle 3 to lock thewashers against rotation.

A key-shaped shackle 29 having lugs 30 is adapted for insertion in thegrooved portion 5 of the spindle and through the grooves 9, 24, 27 ofthe cap, cap rings and washers respectively when those grooves arealined. The shackle is secured by chain 31 to an ear 32 formed on thesaid cap 7. Each tumbler-member 16 carries upon its outer face thenumerals from 1 to 12 (or other characters) which are readable inconnection with the indicator rod 14 when that rod is moved against thetumbler faces as shown in Fig. 1. The numbers that appear first to theleft of the indicator rod upon the several tumblers form the combinationthat will permit the withdrawal of the shackle, that is the tumbler atthe top has been found to have its grooves 24:, 27 alin'ed with thegroove 9 of the cap 7 when the numeral 3 is the first number to the leftof the indicator rod; the grooves in the next tumbler are alined withthe similar grooves thereabove when the number 7 is first to the left ofthe indicator rod and so on with the several tumblers. To look the lockthe shackle is inserted when the several tumblers have been properlypositioned with their slotted portions in alinement and then one or moretumblers rotated thereby positioning one or more of the slotted portions24, 27 out of alinement and preventing withdrawal of the shackle. Theindicator bar serves as an exterior alining device by means of which therespective positions of the several tumblers is instantly discerned.

What is claimed is 1. A permutation lock comprising a base, alongitudinally slotted spindleintegral with said base, a cap adapted forengagement with said. spindle and formed witha grooved.

portion, a band encircling said cap and formed with an eye, rotary.tumblers spaced away from each other upon said spindle and formed withgrooved portions which may be alined with each other and with thegrooved portionmr said cap, a shackle insertible into the groove in saidpintle and formed with lugs for insertion through the grooved portionsof said cap and rotary tumblers when they are alined and" a rodpivotally connected to said base and to the said eye andmovable andreadable'with' relation to said tumblers,

2.1; permutation lock comprising a base, a spindle integral therewithand formed with diametrically opposed longitudinally slotted portions, agrooved cap adapted for engagementwith said-spindle, crown shapedtoothed members encircling said sp'iiidl'e, zqaert'ured toothed crownrings carried by said crown shaped members, the' teeth of saidlast'namediii'embers beingin mesh'with each other; cap rings carried'bysaid crown rings and formed with" pegs for engagement with the aperturedportions of said crown rings and wlth grooved portions adapted to beaimed with each other and with the groove in said cap, washersseparating,- said crown shaped members and cap "rings and formed withgrooves adapted for alinement with each other and with the grooves'insaidcaprings and cap and with 1 cap, "washers, an'd'ca'p rings whenthey are alind and an' indicator rod 'pivotallycarried by said baseand'read'ablein' connection with said crown shaped members.

In testimony that I claim the foregoing as my own T have he'reto'alhxejdmy signature in the presence of 'tivosubscribing witnesses.

LABS OLSON. Witnesses:

G. L. LENNOX, H) A. BERGMAN.

